aura. a peculiar sensation preceding the appearance of more definite symptoms. An epileptic aura precedes an epileptic seizure and may involve visual disturbances, dizziness, numbness, or any of a number of sensations which the patient may find difficult to describe exactly.ura. a peculiar sensation preceding the appearance of more definite symptoms. It is a well-known phenomenon in humans and, on good clinical grounds, assumed to occur in animals, appearing as behavioral abnormalities.
Supervising Companion. Some rides require a âsupervising companionâ to accommodate a rider. A supervising companion is someone who meets all the requirements to ride the ride themselves, is 14 years of age or older and demonstrates appropriate observed behavior*.
In addition, guests only need to be 18 years of age or older to book and cruise on their own. Several cruise lines, such as Holland America and Norwegian Cruise Line, require minors under the age of 18 who are cruising unaccompanied by one or both of their parents to produce notarized documents before boarding.